161 lines
20 KiB
XML
161 lines
20 KiB
XML
<document id="C0CAFDC70AF6B78876BD10A839501DEF" ID-DOI="10.11646/zootaxa.3387.1.1" ID-ISSN="11755334" ID-Zenodo-Dep="5253926" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629799046808" checkinUser="felipe" docAuthor="Dronen, Norman O., Calhoun, Dana M. & Simcik, Steven R." docDate="2012" docId="F21487DCD3060567FAD78BE5CED9FF40" docLanguage="en" docName="zt03387p096.pdf" docOrigin="Zootaxa 3387 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.3387.1.1" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Mesocoelium cameroonensis Saoud 1964" docType="treatment" docVersion="6" lastPageNumber="50" masterDocId="0E2DFFA4D3370554FA408A52CA70FFB7" masterDocTitle="Mesocoelium Odhner, 1901 (Digenea: Mesocoelidae) revisited; a revision of the family and re-evaluation of species composition in the genus 3387" masterLastPageNumber="96" masterPageNumber="1" pageNumber="50" updateTime="1699113310810" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="D09C2D57564BE4D5493E6461ED740C46">Mesocoelium Odhner, 1901 (Digenea: Mesocoelidae) revisited; a revision of the family and re-evaluation of species composition in the genus 3387</mods:title>
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<mods:namePart id="ED5A8BBF93E41EDCAEF1980DFFEBFFA6">Dronen, Norman O.</mods:namePart>
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<mods:namePart id="141B4AA09DFF716C8F4AEFA86EDDE646">Calhoun, Dana M.</mods:namePart>
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<mods:name id="B79F340EC74678DC430D125266D83051" type="personal">
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<mods:namePart id="E7AD60C5AD9E7C9C456B3C592FB9BC91">Simcik, Steven R.</mods:namePart>
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<mods:typeOfResource id="B8F6BC872BE384CCE2C368978F745CBA">text</mods:typeOfResource>
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<mods:title id="1C3242DFC4B103EF7CE75AB146D4C342">Zootaxa</mods:title>
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<mods:part id="02C0EE451CEB8C6CBF4DA045AB3A277F">
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<mods:date id="8E221DDFC68B3D5363A4C1403180645A">2012</mods:date>
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<mods:number id="E0E46A8AF5F3621D2E34E7CC72E41E59">2012-07-12</mods:number>
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<mods:number id="7F79025656FCBE2FCFB228C0968AE1E0">3387</mods:number>
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<mods:url id="0F7B052EF95F5E19546435D6D0269B12">https://biotaxa.org/Zootaxa/article/view/zootaxa.3387.1.1</mods:url>
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<mods:classification id="6BD32D8D27DC1DFEA3C04809BDE9C75F">journal article</mods:classification>
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<mods:identifier id="19CD5A1735E027CF2ADA32BEC687B9A0" type="DOI">10.11646/zootaxa.3387.1.1</mods:identifier>
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<mods:identifier id="388C1BB98EED4994B342AAA5707D88F8" type="ISSN">11755334</mods:identifier>
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<treatment id="F21487DCD3060567FAD78BE5CED9FF40" ID-DOI="http://doi.org/10.5281/zenodo.5256031" ID-Zenodo-Dep="5256031" LSID="urn:lsid:plazi:treatment:F21487DCD3060567FAD78BE5CED9FF40" httpUri="http://treatment.plazi.org/id/F21487DCD3060567FAD78BE5CED9FF40" lastPageId="51" lastPageNumber="50" pageId="49" pageNumber="50">
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<subSubSection id="32A76541D3060565FAD78BE5CB84FE66" box="[151,500,439,465]" pageId="49" pageNumber="50" type="nomenclature">
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<paragraph id="7A0236CAD3060565FAD78BE5CB84FE66" blockId="49.[151,500,439,498]" box="[151,500,439,465]" pageId="49" pageNumber="50">
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<heading id="214A81A6D3060565FAD78BE5CB84FE66" bold="true" box="[151,500,439,465]" fontSize="11" level="1" pageId="49" pageNumber="50" reason="1">
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<taxonomicName id="BDBD4D49D3060565FAD78BE5CB84FE66" ID-CoL="84B2N" authorityName="Saoud" authorityYear="1964" box="[151,500,439,465]" class="Trematoda" family="Mesocoeliidae" genus="Mesocoelium" kingdom="Animalia" order="Plagiorchiida" pageId="49" pageNumber="50" phylum="Platyhelminthes" rank="species" species="cameroonensis">
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<emphasis id="48C9EAD8D3060565FAD78BE5CB84FE66" bold="true" box="[151,500,439,465]" italics="true" pageId="49" pageNumber="50">Mesocoelium cameroonensis</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="32A76541D3060565FAD78B88CEADFA2D" pageId="49" pageNumber="50" type="description">
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<paragraph id="7A0236CAD3060565FAD78B88CB07FE45" blockId="49.[151,500,439,498]" box="[151,375,474,498]" pageId="49" pageNumber="50">
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(
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<figureCitation id="E2862A4FD3060565FADE8B88CB71FE45" box="[158,257,474,498]" captionStart="FIGURE 9" captionStartId="50.[151,250,1953,1976]" captionTargetBox="[317,1277,202,1919]" captionTargetId="figure-25@50.[297,1290,193,1932]" captionTargetPageId="50" captionText="FIGURE 9. Mesocoelium cameroonensis (BMNH 1969.12.3.31). 9. Ventral view of adult." figureDoi="http://doi.org/10.5281/zenodo.5253938" httpUri="https://zenodo.org/record/5253938/files/figure.png" pageId="49" pageNumber="50">Figure 9</figureCitation>
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; Table 14)
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</paragraph>
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<paragraph id="7A0236CAD3060565FAD78870CF2BFD8D" blockId="49.[151,1436,546,2010]" box="[151,1371,546,571]" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FAD78870CB3DFD8C" bold="true" box="[151,333,546,571]" pageId="49" pageNumber="50">Definitive host:</emphasis>
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<taxonomicName id="BDBD4D49D3060565FB148871C8A9FD8D" authority="(Lichtenstein)" baseAuthorityName="Lichtenstein" baseAuthorityYear="1823" box="[340,729,546,571]" class="Reptilia" family="Viperidae" genus="Causus" kingdom="Animalia" order="Squamata" pageId="49" pageNumber="50" phylum="Chordata" rank="species" species="rhombeatus">
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<emphasis id="48C9EAD8D3060565FB148871C841FD8C" box="[340,561,547,571]" italics="true" pageId="49" pageNumber="50">Causus rhombeatus</emphasis>
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(Lichtenstein)
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</taxonomicName>
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, Rhombien or demon night adder (
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<taxonomicName id="BDBD4D49D3060565FE1E8870CEA2FD8D" box="[1118,1234,546,570]" class="Reptilia" kingdom="Animalia" order="Squamata" pageId="49" pageNumber="50" phylum="Chordata" rank="order">Squamata</taxonomicName>
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:
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<taxonomicName id="BDBD4D49D3060565FE9D8870CF3FFD8D" box="[1245,1359,546,570]" class="Reptilia" family="Scincidae" kingdom="Animalia" order="Squamata" pageId="49" pageNumber="50" phylum="Chordata" rank="family">Scincidae</taxonomicName>
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).
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</paragraph>
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<paragraph id="7A0236CAD3060565FA878814CBFAFDE9" blockId="49.[151,1436,546,2010]" box="[199,394,582,607]" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FA878814CB42FDE8" bold="true" box="[199,306,582,607]" pageId="49" pageNumber="50">Locality:</emphasis>
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<collectingCountry id="02AA765AD3060565FB798814CBF6FDE9" box="[313,390,582,606]" name="Ghana" pageId="49" pageNumber="50">Ghana</collectingCountry>
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.
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</paragraph>
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<paragraph id="7A0236CAD3060565FA878838CB1CFD35" blockId="49.[151,1436,546,2010]" box="[199,364,618,643]" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FA878838CA8DFD34" bold="true" box="[199,253,618,643]" pageId="49" pageNumber="50">Site:</emphasis>
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Intestine.
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</paragraph>
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<paragraph id="7A0236CAD3060565FA8788DCC8D8FD11" blockId="49.[151,1436,546,2010]" box="[199,680,654,679]" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FA8788DCCBB8FD10" bold="true" box="[199,456,654,679]" pageId="49" pageNumber="50">Specimens examined:</emphasis>
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<materialsCitation id="CAD53C97D3060565FB8F88DDC8D8FD11" box="[463,680,654,678]" collectingDate="1969-12-03" collectionCode="BMNH" pageId="49" pageNumber="50" specimenCount="1">
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<collectionCode id="1CACAE0FD3060565FB8F88DDC853FD11" box="[463,547,655,678]" pageId="49" pageNumber="50">BMNH</collectionCode>
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<date id="0E03100AD3060565F87188DCC8D8FD11" box="[561,680,654,678]" pageId="49" pageNumber="50" value="1969-12-03">
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<collectingDate id="1E47E9E2D3060565F87188DCC8D8FD11" box="[561,680,654,678]" pageId="49" pageNumber="50" value="1969-12-03">1969.12.3.</collectingDate>
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</date>
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</materialsCitation>
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</paragraph>
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<paragraph id="7A0236CAD3060565FA8788E0C956FC71" blockId="49.[151,1436,546,2010]" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FA8788E0CB06FD7C" bold="true" box="[199,374,690,715]" pageId="49" pageNumber="50">Redescription:</emphasis>
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Based on
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<specimenCount id="6CBBFD43D3060565F84288E0C8C3FD7D" box="[514,691,690,714]" pageId="49" pageNumber="50" type="generic">four specimens</specimenCount>
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. With characteristics of genus. Body mesembrinum
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<typeStatus id="A5068868D3060565FF5688E1CF39FD7C" box="[1302,1353,691,715]" pageId="49" pageNumber="50">type</typeStatus>
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, small, oval, spinose, 1,833 (
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<geoCoordinate id="1F89500DD3060565FBD58884CBA5FD59" box="[405,469,726,750]" degrees="1,750" direction="north" orientation="latitude" pageId="49" pageNumber="50" precision="55" value="1.75">1,750</geoCoordinate>
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<geoCoordinate id="1F89500DD3060565FB968884C854FD59" box="[470,548,726,750]" degrees="1,975" direction="west" orientation="longitude" pageId="49" pageNumber="50" precision="55" value="-1.975">–1,975</geoCoordinate>
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) by 1,054 (900–1,206); body spines 20–22 long; forebody 478 (470–515), 26–26% of body length. Mouth slightly subterminal; oral sucker subspherical to spherical, 355 (295–375) by 373 (290–380); prepharynx short, nearly absent; pharynx spherical to subspherical, wider than long, 85 (80–93) by 125; esophagus not visible; cecal bifurcation near midlevel of forebody; ceca surpassing ovary posteriorly, terminating near midlevel of hindbody, occupying 24–28% of postovarian space. Ratio of widths of oral sucker and pharynx 1:3.9 (1:3.8–1:4.3). Ventral sucker located anterior to midlevel of body, smaller than oral sucker, 288 (271–320) by 327 (290–370). Ratio of sucker widths 1:1.2 (1:1.1–1:1.3).
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</paragraph>
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<paragraph id="7A0236CAD3060565FA878981CA81FBCD" blockId="49.[151,1436,546,2010]" pageId="49" pageNumber="50">Testes smooth, diagonal, situated at level of ventral sucker. Right testis 300 (205–380) by 310 (298–331); left testis 300 (215–330) by 300 (280–317). Cirrus sac situated between pharynx and ventral sucker, enclosing short cirrus, reduced pars prostatica, short ejaculatory duct surrounded by prostate cells, and bipartite seminal vesicle, 195 (175–225, 6–11% of body length) by 74 (69–78). Genital pore near anterior margin of pharynx, prebifurcal, median.</paragraph>
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<paragraph id="7A0236CAD3060565FA878ED4C956FAC1" blockId="49.[151,1436,546,2010]" pageId="49" pageNumber="50">
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Ovary smooth, posttesticular, situated short distance posterior to right or left testis, 153 (109–178) by 175 (145–205), removed from posterior end by some distance; postovarian space 1,338 (
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<geoCoordinate id="1F89500DD3060565FE038EF8CEF3FB75" box="[1091,1155,1194,1218]" degrees="1,150" direction="north" orientation="latitude" pageId="49" pageNumber="50" precision="55" value="1.15">1,150</geoCoordinate>
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<geoCoordinate id="1F89500DD3060565FEC48EF8CEA2FB75" box="[1156,1234,1194,1218]" degrees="1,525" direction="west" orientation="longitude" pageId="49" pageNumber="50" precision="55" value="-1.525">–1,525</geoCoordinate>
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) long, 58–87% of body length. Ratio of width of ovary to mean width of testes 1:1.7 (1:1.5–1:1.9). Seminal receptacle spherical, located immediately sinistral and slightly posterior to ovary. Laurer’s canal present, opening not observed. Vitelline fields distributed along ceca from level of oral sucker posteriorly to near midlevel of postovarian space, surpassing cecal ends; vitelline follicles 46 (25–68) by 34 (30–38) (n = 20). Uterus largely postacetabular, filling most of hindbody. Eggs operculate, 39 (35–42) by 23 (20–28) (n = 30).
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</paragraph>
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<paragraph id="7A0236CAD3060565FA858FD1CEADFA2D" blockId="49.[151,1436,546,2010]" box="[197,1245,1410,1435]" pageId="49" pageNumber="50">Excretory vesicle Y-shaped, with poorly developed arms; excretory pore slightly subterminal.</paragraph>
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</subSubSection>
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<subSubSection id="32A76541D3060567FA858FF5CED9FF40" lastPageId="51" lastPageNumber="52" pageId="49" pageNumber="50" type="discussion">
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<paragraph id="7A0236CAD3060567FA858FF5CED9FF40" blockId="49.[151,1436,546,2010]" lastBlockId="51.[151,1437,151,247]" lastPageId="51" lastPageNumber="52" pageId="49" pageNumber="50">
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<emphasis id="48C9EAD8D3060565FA858FF5CB4BFA08" bold="true" box="[197,315,1447,1471]" pageId="49" pageNumber="50">Remarks:</emphasis>
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These specimens (BMNH
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<date id="0E03100AD3060565F82B8FF4C8ADFA09" box="[619,733,1446,1470]" pageId="49" pageNumber="50" value="1969-12-03">1969.12.3</date>
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) have moderately long ceca, and a genital pore that is prebifurcal and median, placing them in the mesembrinum body
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<typeStatus id="A5068868D3060565F94E8F99C932FA54" box="[782,834,1483,1507]" pageId="49" pageNumber="50">type</typeStatus>
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. The posterior extent of the vitelline fields surpass the cecal ends posteriorly, the gonads overlap the area of the ventral sucker, the genital pore opens near the level of the anterior margin of the pharynx, the ratio of the width of the pharynx to the width of the oral sucker is 1:3.8–1:4.0, ceca occypying 24–28% of length of postovarian space, and the eggs are 35–42 long placing them in
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<taxonomicName id="BDBD4D49D3060565FE428C09CEBFF9C5" authorityName="Saoud" authorityYear="1964" box="[1026,1231,1627,1650]" class="Trematoda" family="Mesocoeliidae" genus="Mesocoelium" kingdom="Animalia" order="Plagiorchiida" pageId="49" pageNumber="50" phylum="Platyhelminthes" rank="species" species="cameroonensis">
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<emphasis id="48C9EAD8D3060565FE428C09CE69F9C5" box="[1026,1049,1627,1650]" italics="true" pageId="49" pageNumber="50">M</emphasis>
|
||
.
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<emphasis id="48C9EAD8D3060565FE688C09CEBFF9C5" box="[1064,1231,1627,1650]" italics="true" pageId="49" pageNumber="50">cameroonensis</emphasis>
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</taxonomicName>
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. These specimens are larger than those reported by
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<bibRefCitation id="1E2C4B3BD3060565F8518C2CC8DAF921" author="Saoud, M. F. A." box="[529,682,1662,1686]" pageId="49" pageNumber="50" pagination="291 - 302" refId="ref56969" refString="Saoud, M. F. A. (1964) On some digenetic trematodes (Mesocoelidae) from Amphibia and Reptilia of the Cameroons. Journal of Helminthology, 38, 291 - 302." type="journal article" year="1964">Saoud (1964)</bibRefCitation>
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in the original description of this species (
|
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<geoCoordinate id="1F89500DD3060565FED28C2CCEA2F921" box="[1170,1234,1662,1686]" degrees="1,750" direction="north" orientation="latitude" pageId="49" pageNumber="50" precision="55" value="1.75">1,750</geoCoordinate>
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||
<geoCoordinate id="1F89500DD3060565FE928C2CCF50F921" box="[1234,1312,1662,1686]" degrees="1,975" direction="west" orientation="longitude" pageId="49" pageNumber="50" precision="55" value="-1.975">–1,975</geoCoordinate>
|
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long compared to 416–640) and have a more extensive postovarian space (
|
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<geoCoordinate id="1F89500DD3060565F9D48CF0C9A4F90D" box="[916,980,1698,1722]" degrees="1,150" direction="north" orientation="latitude" pageId="49" pageNumber="50" precision="55" value="1.15">1,150</geoCoordinate>
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||
<geoCoordinate id="1F89500DD3060565F9948CF0CE52F90D" box="[980,1058,1698,1722]" degrees="1,525" direction="west" orientation="longitude" pageId="49" pageNumber="50" precision="55" value="-1.525">–1,525</geoCoordinate>
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long comprising 58–87% of the body length compared to 199 comprising 38% of the body length) that is more heavily ladened with eggs, suggesting a more mature or higher state of development. With the exception of a somewhat smaller ratio of the width of the ventral sucker to the width of the oral sucker (1:1.1–1.3 compared to 1:1.9), the remaining comparative characteristics of these specimens generally conform to those of
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<taxonomicName id="BDBD4D49D3060565F9618D61C99EF8FD" authorityName="Saoud" authorityYear="1964" box="[801,1006,1843,1866]" class="Trematoda" family="Mesocoeliidae" genus="Mesocoelium" kingdom="Animalia" order="Plagiorchiida" pageId="49" pageNumber="50" phylum="Platyhelminthes" rank="species" species="cameroonensis">
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||
<emphasis id="48C9EAD8D3060565F9618D61C948F8FD" box="[801,824,1843,1866]" italics="true" pageId="49" pageNumber="50">M</emphasis>
|
||
.
|
||
<emphasis id="48C9EAD8D3060565F9078D61C99EF8FD" box="[839,1006,1843,1866]" italics="true" pageId="49" pageNumber="50">cameroonensis</emphasis>
|
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</taxonomicName>
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as originally described (Table 14) and although they were collected from a snake (the Rhombien demon night adder) rather than a frog (the sharp-nosed frog) they were collected from the same general geographical region as the
|
||
<typeStatus id="A5068868D3060565FE438D29CE43F824" box="[1027,1075,1915,1939]" pageId="49" pageNumber="50">type</typeStatus>
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||
locality for the species (
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<collectingCountry id="02AA765AD3060565FF118D28CFECF825" box="[1361,1436,1914,1938]" name="Ghana" pageId="49" pageNumber="50">Ghana</collectingCountry>
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||
compared to
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<collectingCountry id="02AA765AD3060565FB698DCCCBD3F801" box="[297,419,1950,1974]" name="Cameroon" pageId="49" pageNumber="50">Cameroon</collectingCountry>
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). We do not consider the slight difference in sucker ratios to be sufficient enough reason to separate the BMNH specimens from the original species. It should be noted that both the specimens from
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<collectingCountry id="02AA765AD3060565FF798D90CFF2F86D" box="[1337,1410,1986,2010]" name="Ghana" pageId="49" pageNumber="50">Ghana</collectingCountry>
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and the specimen represented in
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<figureCitation id="E2862A4FD3040567F84E8AC5C81EFF18" box="[526,622,151,175]" captionStart="FIGURES 1–3" captionStartId="39.[151,264,1837,1860]" captionTargetBox="[171,1391,209,1801]" captionTargetId="figure-85@39.[151,1436,193,1816]" captionTargetPageId="39" captionText="FIGURES 1–3. Mesocoelium brevicaecum (BMNH 1973.5.25.1-11). 1. Ventral view of adult. 2. Composite drawing of area between cecal bifurcation and ventral sucker showing placement of genital pore, uterus and seminal vesicle, ventral view. 3. Composite drawing of area of oötype, ventral view. Abbreviation used in figures: C=cecum; E=egg; Ev=excretory vesicle; G= genital pore; L= Laurer’s canal; M=Mehlis’ glands; OV=ovary; P=pharynx; SR= seminal receptacle; SV=seminal vesicle; T=testis; U=uterus; VD=vitelline duct." figureDoi="http://doi.org/10.5281/zenodo.5253930" httpUri="https://zenodo.org/record/5253930/files/figure.png" pageId="51" pageNumber="52">Figure 2</figureCitation>
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of the original description are contracted collapsing the esophagus and likely displacing the genital pore more anteriorly than normal. The genital pore in this species likely would appear a little more posterior in heat fixed specimens where slight coverslip pressure was employed.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |